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About the author

John O’Connell is the Owner of SF Fitness Personal Fitness Centre in Rathfarnham. He’s a 2 time international best selling author, has appeared on numerous TV programmes on RTE and TV3 and was named World Fitness Elite Trainer of the Year 2013.
John was also a member of the rehabilitation staff for the Heineken Cup winning Leinster squad of 2009. And he worked with the New Zealand All Blacks in 2004.